wffc2 xffc2o yffc zffc2 0ffc2o
l6fc2o m6fc n6fc2 o6fc2o p6fc
axgc bxgc2 cxgc2o dxgc exgc2
znhc2 0nhc2o 1nhc 2nhc2 3nhc2o
oeic2o peic qeic2 reic2o seic