x2lnz7 y2ln z2lnz 02lnz7 12ln

mtmn ntmnz otmnz7 ptmn qtmnz

bknnz cknnz7 dknn eknnz fknnz7

0aonz7 1aon 2aonz 3aonz7 4aon

p1on q1onz r1onz7 s1on t1onz