exch2_oj(1,12)=32

       exch2_oj(2,12)=0

       exch2_oj(3,12)=33

       exch2_oj(4,12)=0

       exch2_oj(1,2)=32

       exch2_oj(2,2)=32

       exch2_oj(3,2)=0

       exch2_oj(4,2)=0

       exch2_oj(5,2)=33

       exch2_oj(1,3)=0

       exch2_oj(2,3)=-32

       exch2_oj(3,3)=-32

       exch2_oj(4,3)=33

       exch2_oj(5,3)=0

       exch2_oj(1,4)=32

       exch2_oj(2,4)=0

       exch2_oj(3,4)=33

       exch2_oj(4,4)=0

       exch2_oj(1,5)=0

       exch2_oj(2,5)=-32

       exch2_oj(3,5)=0

       exch2_oj(4,5)=33

       exch2_oj(1,1)=0

       exch2_oj(1,6)=32

       exch2_oj(2,6)=32

       exch2_oj(3,6)=0

       exch2_oj(4,6)=0

       exch2_oj(5,6)=33

       exch2_oj(1,7)=0

       exch2_oj(2,7)=-32

       exch2_oj(3,7)=-32

       exch2_oj(4,7)=33

       exch2_oj(2,1)=-32

       exch2_oj(5,7)=0

       exch2_oj(1,8)=32

       exch2_oj(2,8)=0

       exch2_oj(3,8)=33

       exch2_oj(4,8)=0

       exch2_oj(1,9)=0

       exch2_oj(2,9)=-32

       exch2_oj(3,1)=0

       exch2_oj(3,9)=0

       exch2_oj(4,9)=33

       exch2_oj(1,10)=32

       exch2_oj(2,10)=32

       exch2_oj(3,10)=0

       exch2_oj(4,10)=0

       exch2_oj(5,10)=33

       exch2_oj(4,1)=33

       exch2_oj(1,11)=0

       exch2_oj(2,11)=-32

       exch2_oj(3,11)=-32

       exch2_oj(4,11)=33

       exch2_oj(5,11)=0

       INTEGER exch2_oj(MAX_NEIGHBOURS,NTILES)

     &        exch2_oi,exch2_oj,                  

       exch2_oj(1,127)=0

       exch2_oj(2,127)=0

       exch2_oj(3,127)=0

       exch2_oj(1,128)=0

       exch2_oj(2,128)=0

       exch2_oj(3,128)=0

       exch2_oj(2,11)=0

       exch2_oj(4,128)=0

       exch2_oj(1,129)=0

       exch2_oj(2,129)=0

       exch2_oj(3,129)=0

       exch2_oj(4,129)=0

       exch2_oj(1,130)=0

       exch2_oj(2,130)=0

       exch2_oj(3,11)=0

       exch2_oj(3,130)=0

       exch2_oj(4,130)=0

       exch2_oj(1,131)=0

       exch2_oj(2,131)=0

       exch2_oj(3,131)=0

       exch2_oj(4,131)=33

       exch2_oj(1,132)=0

       exch2_oj(2,132)=0

       exch2_oj(4,11)=0

       exch2_oj(3,132)=0

       exch2_oj(4,132)=0

       exch2_oj(1,133)=0

       exch2_oj(2,133)=0

       exch2_oj(3,133)=0

       exch2_oj(4,133)=0

       exch2_oj(1,134)=0

       exch2_oj(2,134)=0

       exch2_oj(3,134)=0

       exch2_oj(4,134)=0

       exch2_oj(1,135)=0

       exch2_oj(2,135)=0

       exch2_oj(3,135)=0

       exch2_oj(4,135)=33

       exch2_oj(1,136)=0

       exch2_oj(2,136)=0

       exch2_oj(3,136)=0

       exch2_oj(4,136)=0

       exch2_oj(1,12)=0

       exch2_oj(1,137)=0

       exch2_oj(2,137)=0

       exch2_oj(3,137)=0

       exch2_oj(1,138)=0

       exch2_oj(2,138)=0

       exch2_oj(3,138)=0

       exch2_oj(4,138)=0

       exch2_oj(2,12)=0

       exch2_oj(1,139)=0

       exch2_oj(2,139)=0

       exch2_oj(3,139)=0

       exch2_oj(4,139)=33

       exch2_oj(1,140)=0

       exch2_oj(2,140)=0

       exch2_oj(3,140)=0

       exch2_oj(3,12)=0

       exch2_oj(1,141)=0

       exch2_oj(2,141)=0

       exch2_oj(3,141)=0

       exch2_oj(1,142)=32

       exch2_oj(2,142)=32

       exch2_oj(3,142)=0

       exch2_oj(4,142)=0

       exch2_oj(5,142)=33

       exch2_oj(4,12)=0

       exch2_oj(1,143)=32

       exch2_oj(2,143)=32

       exch2_oj(3,143)=0

       exch2_oj(4,143)=0

       exch2_oj(1,144)=32

       exch2_oj(2,144)=32

       exch2_oj(3,144)=0

       exch2_oj(4,144)=0

       exch2_oj(1,145)=0

       exch2_oj(2,145)=-32

       exch2_oj(3,145)=-32

       exch2_oj(4,145)=0

       exch2_oj(5,145)=0

       exch2_oj(1,146)=0

       exch2_oj(2,146)=-32

       exch2_oj(3,146)=-32

       exch2_oj(4,146)=0

       exch2_oj(5,146)=0

       exch2_oj(1,13)=0

       exch2_oj(1,147)=0

       exch2_oj(2,147)=-32

       exch2_oj(3,147)=-32

       exch2_oj(4,147)=0

       exch2_oj(5,147)=0

       exch2_oj(1,148)=0

       exch2_oj(2,148)=-32

       exch2_oj(2,13)=0

       exch2_oj(3,148)=-32

       exch2_oj(4,148)=33

       exch2_oj(5,148)=0

       exch2_oj(1,149)=0

       exch2_oj(2,149)=0

       exch2_oj(3,149)=0

       exch2_oj(4,149)=0

       exch2_oj(3,13)=0

       exch2_oj(1,150)=0

       exch2_oj(2,150)=0

       exch2_oj(3,150)=0

       exch2_oj(4,150)=0

       exch2_oj(1,151)=0

       exch2_oj(2,151)=0

       exch2_oj(3,151)=0

       exch2_oj(4,151)=0

       exch2_oj(1,152)=0

       exch2_oj(2,152)=0

       exch2_oj(3,152)=33

       exch2_oj(4,152)=0

       exch2_oj(1,153)=0

       exch2_oj(2,153)=0

       exch2_oj(3,153)=0

       exch2_oj(4,153)=0

       exch2_oj(1,154)=0

       exch2_oj(2,154)=0

       exch2_oj(1,14)=0

       exch2_oj(3,154)=0

       exch2_oj(4,154)=0

       exch2_oj(1,155)=0

       exch2_oj(2,155)=0

       exch2_oj(3,155)=0

       exch2_oj(4,155)=0

       exch2_oj(1,156)=0

       exch2_oj(2,156)=0

       exch2_oj(2,14)=0

       exch2_oj(3,156)=33

       exch2_oj(4,156)=0

       exch2_oj(1,157)=0

       exch2_oj(2,157)=0

       exch2_oj(3,157)=0

       exch2_oj(4,157)=0

       exch2_oj(1,158)=0

       exch2_oj(3,14)=0

       exch2_oj(2,158)=0

       exch2_oj(3,158)=0

       exch2_oj(4,158)=0

       exch2_oj(1,159)=0

       exch2_oj(2,159)=0

       exch2_oj(3,159)=0

       exch2_oj(4,159)=0

       exch2_oj(4,14)=0

       exch2_oj(1,160)=0

       exch2_oj(2,160)=0

       exch2_oj(3,160)=33

       exch2_oj(4,160)=0

       exch2_oj(1,161)=0

       exch2_oj(2,161)=0

       exch2_oj(3,161)=0

       exch2_oj(4,161)=0

       exch2_oj(1,162)=0

       exch2_oj(2,162)=0

       exch2_oj(3,162)=0

       exch2_oj(4,162)=0

       exch2_oj(1,163)=0

       exch2_oj(2,163)=0

       exch2_oj(3,163)=0

       exch2_oj(4,163)=0

       exch2_oj(1,164)=0

       exch2_oj(2,164)=0

       exch2_oj(1,15)=0

       exch2_oj(3,164)=33

       exch2_oj(4,164)=0

       exch2_oj(1,165)=0

       exch2_oj(2,165)=0

       exch2_oj(3,165)=0

       exch2_oj(4,165)=0

       exch2_oj(1,166)=0

       exch2_oj(2,166)=0

       exch2_oj(2,15)=0

       exch2_oj(3,166)=0

       exch2_oj(4,166)=0

       exch2_oj(1,167)=0

       exch2_oj(2,167)=0

       exch2_oj(3,167)=0

       exch2_oj(4,167)=0

       exch2_oj(1,168)=0

       exch2_oj(3,15)=0

       exch2_oj(2,168)=0

       exch2_oj(3,168)=33

       exch2_oj(4,168)=0

       exch2_oj(1,169)=0

       exch2_oj(2,169)=0

       exch2_oj(3,169)=0

       exch2_oj(4,169)=0

       exch2_oj(4,15)=0

       exch2_oj(1,170)=0

       exch2_oj(2,170)=0

       exch2_oj(3,170)=0

       exch2_oj(4,170)=0

       exch2_oj(1,171)=0

       exch2_oj(2,171)=0

       exch2_oj(3,171)=0

       exch2_oj(4,171)=0

       exch2_oj(1,172)=0

       exch2_oj(2,172)=0

       exch2_oj(3,172)=33

       exch2_oj(4,172)=0

       exch2_oj(1,173)=32

       exch2_oj(2,173)=0

       exch2_oj(3,173)=0

       exch2_oj(4,173)=0

       exch2_oj(1,174)=32

       exch2_oj(2,174)=0

       exch2_oj(1,16)=0

       exch2_oj(3,174)=0

       exch2_oj(4,174)=0

       exch2_oj(1,175)=32

       exch2_oj(2,175)=0

       exch2_oj(3,175)=0

       exch2_oj(4,175)=0

       exch2_oj(1,176)=32

       exch2_oj(2,176)=0

       exch2_oj(2,16)=0

       exch2_oj(3,176)=33

       exch2_oj(4,176)=0

       exch2_oj(3,16)=0

       exch2_oj(1,17)=0

       exch2_oj(2,17)=0

       exch2_oj(3,17)=0

       exch2_oj(4,17)=33

       exch2_oj(1,18)=0

       exch2_oj(2,18)=0

       exch2_oj(3,18)=0

       exch2_oj(4,18)=0

       exch2_oj(1,19)=0

       exch2_oj(2,19)=0

       exch2_oj(1,20)=0

       exch2_oj(2,20)=0

       exch2_oj(3,20)=0

       exch2_oj(4,20)=33

       exch2_oj(1,21)=0

       exch2_oj(2,21)=0

       exch2_oj(3,21)=0

       exch2_oj(1,22)=0

       exch2_oj(2,22)=0

       exch2_oj(1,23)=0

       exch2_oj(2,23)=0

       exch2_oj(3,23)=0

       exch2_oj(4,23)=33

       exch2_oj(1,24)=0

       exch2_oj(2,24)=0

       exch2_oj(3,24)=0

       exch2_oj(4,24)=0

       exch2_oj(1,25)=0

       exch2_oj(2,25)=0

       exch2_oj(3,25)=0

       exch2_oj(1,26)=0

       exch2_oj(2,26)=0

       exch2_oj(3,26)=0

       exch2_oj(1,1)=0

       exch2_oj(4,26)=0

       exch2_oj(1,27)=32

       exch2_oj(2,27)=32

       exch2_oj(3,27)=0

       exch2_oj(4,27)=0

       exch2_oj(5,27)=33

       exch2_oj(1,28)=32

       exch2_oj(2,1)=-32

       exch2_oj(2,28)=32

       exch2_oj(3,28)=0

       exch2_oj(4,28)=0

       exch2_oj(5,28)=0

       exch2_oj(1,29)=32

       exch2_oj(2,29)=32

       exch2_oj(3,29)=0

       exch2_oj(4,29)=0

       exch2_oj(5,29)=0

       exch2_oj(3,1)=0

       exch2_oj(1,30)=32

       exch2_oj(2,30)=0

       exch2_oj(3,30)=0

       exch2_oj(1,31)=0

       exch2_oj(2,31)=-32

       exch2_oj(3,31)=-32

       exch2_oj(4,31)=0

       exch2_oj(4,1)=33

       exch2_oj(5,31)=0

       exch2_oj(1,32)=0

       exch2_oj(2,32)=-32

       exch2_oj(3,32)=-32

       exch2_oj(4,32)=0

       exch2_oj(5,32)=0

       exch2_oj(1,33)=0

       exch2_oj(2,33)=-32

       exch2_oj(3,33)=-32

       exch2_oj(4,33)=0

       exch2_oj(5,33)=0

       exch2_oj(1,34)=-32

       exch2_oj(2,34)=-32

       exch2_oj(3,34)=33

       exch2_oj(4,34)=0

       exch2_oj(1,35)=0

       exch2_oj(2,35)=0

       exch2_oj(3,35)=0

       exch2_oj(1,2)=0

       exch2_oj(4,35)=0

       exch2_oj(1,36)=0

       exch2_oj(2,36)=0

       exch2_oj(3,36)=0

       exch2_oj(4,36)=0

       exch2_oj(1,37)=0

       exch2_oj(2,37)=0

       exch2_oj(2,2)=-32

       exch2_oj(3,37)=0

       exch2_oj(1,38)=0

       exch2_oj(2,38)=0

       exch2_oj(3,38)=0

       exch2_oj(4,38)=0

       exch2_oj(1,39)=0

       exch2_oj(2,39)=0

       exch2_oj(3,39)=0

       exch2_oj(3,2)=0

       exch2_oj(4,39)=0

       exch2_oj(1,40)=0

       exch2_oj(2,40)=0

       exch2_oj(3,40)=0

       exch2_oj(4,40)=0

       exch2_oj(1,41)=0

       exch2_oj(2,41)=33

       exch2_oj(4,2)=0

       exch2_oj(3,41)=0

       exch2_oj(1,42)=0

       exch2_oj(2,42)=0

       exch2_oj(3,42)=0

       exch2_oj(4,42)=0

       exch2_oj(1,43)=0

       exch2_oj(2,43)=0

       exch2_oj(3,43)=0

       exch2_oj(4,43)=0

       exch2_oj(1,44)=0

       exch2_oj(2,44)=0

       exch2_oj(3,44)=0

       exch2_oj(4,44)=0

       exch2_oj(1,45)=0

       exch2_oj(2,45)=0

       exch2_oj(3,45)=33

       exch2_oj(4,45)=0

       exch2_oj(1,3)=0

       exch2_oj(1,46)=0

       exch2_oj(2,46)=0

       exch2_oj(3,46)=0

       exch2_oj(1,47)=0

       exch2_oj(2,47)=0

       exch2_oj(3,47)=0

       exch2_oj(4,47)=0

       exch2_oj(2,3)=-32

       exch2_oj(1,48)=0

       exch2_oj(2,48)=0

       exch2_oj(3,48)=0

       exch2_oj(4,48)=0

       exch2_oj(1,49)=0

       exch2_oj(2,49)=0

       exch2_oj(3,49)=33

       exch2_oj(4,49)=0

       exch2_oj(3,3)=0

       exch2_oj(1,50)=0

       exch2_oj(2,50)=0

       exch2_oj(3,50)=0

       exch2_oj(4,50)=0

       exch2_oj(1,51)=0

       exch2_oj(2,51)=0

       exch2_oj(3,51)=0

       exch2_oj(4,51)=0

       exch2_oj(4,3)=0

       exch2_oj(1,52)=0

       exch2_oj(2,52)=0

       exch2_oj(3,52)=0

       exch2_oj(1,53)=0

       exch2_oj(2,53)=0

       exch2_oj(3,53)=33

       exch2_oj(4,53)=0

       exch2_oj(1,54)=0

       exch2_oj(2,54)=0

       exch2_oj(3,54)=0

       exch2_oj(1,55)=0

       exch2_oj(2,55)=0

       exch2_oj(1,56)=0

       exch2_oj(2,56)=0

       exch2_oj(3,56)=33

       exch2_oj(1,4)=0

       exch2_oj(1,57)=32

       exch2_oj(2,57)=0

       exch2_oj(3,57)=33

       exch2_oj(1,58)=0

       exch2_oj(2,58)=-32

       exch2_oj(3,58)=0

       exch2_oj(1,59)=0

       exch2_oj(2,59)=33

       exch2_oj(2,4)=-32

       exch2_oj(1,60)=0

       exch2_oj(2,60)=0

       exch2_oj(3,60)=0

       exch2_oj(1,61)=0

       exch2_oj(2,61)=0

       exch2_oj(3,61)=0

       exch2_oj(4,61)=33

       exch2_oj(3,4)=0

       exch2_oj(1,62)=0

       exch2_oj(2,62)=0

       exch2_oj(3,62)=0

       exch2_oj(1,63)=0

       exch2_oj(2,63)=0

       exch2_oj(3,63)=0

       exch2_oj(4,4)=0

       exch2_oj(1,64)=0

       exch2_oj(2,64)=0

       exch2_oj(3,64)=0

       exch2_oj(4,64)=0

       exch2_oj(1,65)=0

       exch2_oj(2,65)=0

       exch2_oj(3,65)=0

       exch2_oj(4,65)=33

       exch2_oj(1,66)=0

       exch2_oj(2,66)=0

       exch2_oj(3,66)=0

       exch2_oj(4,66)=0

       exch2_oj(1,67)=0

       exch2_oj(2,67)=0

       exch2_oj(3,67)=0

       exch2_oj(4,67)=0

       exch2_oj(1,68)=0

       exch2_oj(2,68)=0

       exch2_oj(1,5)=0

       exch2_oj(3,68)=0

       exch2_oj(4,68)=0

       exch2_oj(1,69)=0

       exch2_oj(2,69)=0

       exch2_oj(3,69)=0

       exch2_oj(4,69)=33

       exch2_oj(1,70)=0

       exch2_oj(2,5)=0

       exch2_oj(2,70)=0

       exch2_oj(3,70)=0

       exch2_oj(4,70)=0

       exch2_oj(1,71)=0

       exch2_oj(2,71)=0

       exch2_oj(3,71)=0

       exch2_oj(4,71)=0

       exch2_oj(1,72)=0

       exch2_oj(3,5)=0

       exch2_oj(2,72)=0

       exch2_oj(3,72)=0

       exch2_oj(4,72)=0

       exch2_oj(1,73)=0

       exch2_oj(2,73)=0

       exch2_oj(3,73)=0

       exch2_oj(4,73)=33

       exch2_oj(4,5)=33

       exch2_oj(1,74)=0

       exch2_oj(2,74)=0

       exch2_oj(3,74)=0

       exch2_oj(4,74)=0

       exch2_oj(1,75)=0

       exch2_oj(2,75)=0

       exch2_oj(3,75)=0

       exch2_oj(1,76)=0

       exch2_oj(2,76)=0

       exch2_oj(3,76)=0

       exch2_oj(4,76)=0

       exch2_oj(1,77)=0

       exch2_oj(2,77)=0

       exch2_oj(3,77)=0

       exch2_oj(4,77)=33

       exch2_oj(1,78)=0

       exch2_oj(2,78)=0

       exch2_oj(3,78)=0

       exch2_oj(1,6)=0

       exch2_oj(1,79)=0

       exch2_oj(2,79)=0