C1y-C2y:*-*:C5x+N1b+N1x-C1z+N2x+N2x
C5x-C1z:*-C5x:C1y+N1x+O5x-C2y+N1x+O1a
N1a-N1x:*-C5x:C5a-C5x
N1b-N2x:*-*:C1y+C5a-C2y+C5x
N1x-N2x:*-*:C1y+C5x-C2y+C2y