xe7sbt we7sb ve7s ue7sbt te7sb

8n6sb 7n6s 6n6sbt 5n6sb 4n6s

jx5s ix5sbt hx5sb gx5s fx5sbt

u64sbt t64sb s64s r64sbt q64sb

5f4sb 4f4s 3f4sbt 2f4sb 1f4s