mca0 nca02 oca027 pca0 qca02
b3a02 c3a027 d3a0 e3a02 f3a027
0tb027 1tb0 2tb02 3tb027 4tb0
pkc0 qkc02 rkc027 skc0 tkc02
ebd02 fbd027 gbd0 hbd02 ibd027