[  9, 54, 81],1/64
[ 10, 50, 70],1/64
[ 12, 48, 54],1/64
[ 15, 30, 75],1/64
[ 15, 45, 75],1/32
[ 15, 60, 75],3/64
[ 18, 24, 84],1/64
[ 18, 27, 63],1/64
[ 18, 30, 54],1/64
[ 18, 45, 54],1/32
[ 18, 54, 60],3/64
[ 18, 72, 72],5/64
[ 20, 40, 80],3/64
[ 30, 36, 72],5/64
[ 36, 36, 54],5/64
[ 36, 45, 72],5/32
[ 36, 60, 72],15/64