9r7ffl 8r7ff 7r7f 6r7ffl 5r7ff
k16ff j16f i16ffl h16ff g16f
va6f ua6ffl ta6ff sa6f ra6ffl
6j5ffl 5j5ff 4j5f 3j5ffl 2j5ff
ht4ff gt4f ft4ffl et4ff dt4f