x2y1mr y2y1 z2y1m 02y1mr 12y1
mtz1 ntz1m otz1mr ptz1 qtz1m
bk01m ck01mr dk01 ek01m fk01mr
0a11mr 1a11 2a11m 3a11mr 4a11
p111 q111m r111mr s111 t111m