xol0wf yol0 zol0w 0ol0wf 1ol0
mfm0 nfm0w ofm0wf pfm0 qfm0w
b6m0w c6m0wf d6m0 e6m0w f6m0wf
0wn0wf 1wn0 2wn0w 3wn0wf 4wn0
pno0 qno0w rno0wf sno0 tno0w