tb4l1 sb4l rb4l15 qb4l1 pb4l

4k3l 3k3l15 2k3l1 1k3l 0k3l15

fu2l15 eu2l1 du2l cu2l15 bu2l1

q31l1 p31l o31l15 n31l1 m31l

1c1l 0c1l15 zc1l1 yc1l xc1l15