w7x2t v7x2 u7x2t1 t7x2t s7x2
7gx2 6gx2t1 5gx2t 4gx2 3gx2t1
iqw2t1 hqw2t gqw2 fqw2t1 eqw2t
tzv2t szv2 rzv2t1 qzv2t pzv2
48u2 38u2t1 28u2t 18u2 08u2t1