s2u4 r2u40t q2u40 p2u4 o2u40t

3bu40t 2bu40 1bu4 0bu40t zbu40

elt40 dlt4 clt40t blt40 alt4

pus4 ous40t nus40 mus4 lus40t

03r40t z3r40 y3r4 x3r40t w3r40