vftb uftb1b tftb1 sftb rftb1b

6osb1b 5osb1 4osb 3osb1b 2osb1

hyrb1 gyrb fyrb1b eyrb1 dyrb

s7qb r7qb1b q7qb1 p7qb o7qb1b

3gqb1b 2gqb1 1gqb 0gqb1b zgqb1