build_0_21 7 32
build_0_6 12 33
build_0_9 1 7
build_11_12 0 7
build_12_13 2 5
build_12_19 2 5
build_17_19 1 1
build_19_20 3 4
build_21_12 5 32
build_6_11 0 7
build_9_17 1 6
