xbxb1d ybxb zbxb1 0bxb1d 1bxb
m2xb n2xb1 o2xb1d p2xb q2xb1
btyb1 ctyb1d dtyb etyb1 ftyb1d
0jzb1d 1jzb 2jzb1 3jzb1d 4jzb
pa0b qa0b1 ra0b1d sa0b ta0b1