t8t5s s8t5 r8t5sr q8t5s p8t5
4ht5 3ht5sr 2ht5s 1ht5 0ht5sr
frs5sr ers5s drs5 crs5sr brs5s
q0r5s p0r5 o0r5sr n0r5s m0r5
19q5 09q5sr z9q5s y9q5 x9q5sr