9r7t20 8r7t2 7r7t 6r7t20 5r7t2

k16t2 j16t i16t20 h16t2 g16t

va6t ua6t20 ta6t2 sa6t ra6t20

6j5t20 5j5t2 4j5t 3j5t20 2j5t2

ht4t2 gt4t ft4t20 et4t2 dt4t