si1x ri1xon qi1xo pi1x oi1xon

3r0xon 2r0xo 1r0x 0r0xon zr0xo

e1zxo d1zx c1zxon b1zxo a1zx

pazx oazxon nazxo mazx lazxon

0jyxon zjyxo yjyx xjyxon wjyxo