7rv2 6rv21z 5rv21 4rv2 3rv21z

i1u21z h1u21 g1u2 f1u21z e1u21

tau21 sau2 rau21z qau21 pau2

4jt2 3jt21z 2jt21 1jt2 0jt21z

fts21z ets21 dts2 cts21z bts21