71n1 61n11v 51n11 41n1 31n11v
ibn11v hbn11 gbn1 fbn11v ebn11
tkm11 skm1 rkm11v qkm11 pkm1
4tl1 3tl11v 2tl11 1tl1 0tl11v
f3k11v e3k11 d3k1 c3k11v b3k11