x2jvnb y2jv z2jvn 02jvnb 12jv
mtkv ntkvn otkvnb ptkv qtkvn
bklvn cklvnb dklv eklvn fklvnb
0amvnb 1amv 2amvn 3amvnb 4amv
p1mv q1mvn r1mvnb s1mv t1mvn