z0u18 y0u1 x0u18i w0u18 v0u1

aau1 99t18i 89t18 79t1 69t18i

ljt18i kjt18 jjt1 ijt18i hjt18

wss18 vss1 uss18i tss18 sss1

71r1 61r18i 51r18 41r1 31r18i