W_edge = exch2_isWedge(myTile).EQ.1
& 'exch2_isWedge', 1, exch2_isWedge(tnum), myThid)
southWestCorner = exch2_isWedge(myTile).EQ.1
northWestCorner = exch2_isWedge(myTile).EQ.1
ELSEIF ( exch2_isWedge(myTile) .EQ. 1 ) THEN
INTEGER exch2_isWedge(NTILES)
& exch2_isWedge, exch2_isNedge,
exch2_isWedge(2)=1
exch2_isWedge(3)=1
exch2_isWedge(4)=1
exch2_isWedge(1)=1
exch2_isWedge(5)=1
exch2_isWedge(6)=1