cu0kx7 du0k eu0kx fu0kx7 gu0k
1k1k 2k1kx 3k1kx7 4k1k 5k1kx
qb2kx rb2kx7 sb2k tb2kx ub2kx7
f22kx7 g22k h22kx i22kx7 j22k
4s3k 5s3kx 6s3kx7 7s3k 8s3kx