wm1by xm1by1 ym1b zm1by 0m1by1

ld2by1 md2b nd2by od2by1 pd2b

a42b b42by c42by1 d42b e42by

zu3by 0u3by1 1u3b 2u3by 3u3by1

ol4by1 pl4b ql4by rl4by1 sl4b