wb4br vb4b ub4br8 tb4br sb4b

7k3b 6k3br8 5k3br 4k3b 3k3br8

iu2br8 hu2br gu2b fu2br8 eu2br

t31br s31b r31br8 q31br p31b

4c1b 3c1br8 2c1br 1c1b 0c1br8