0 data=441.0 grad=1.0 1 data=21.0 grad=42.0 1->0 ^ 2 data=3.0 grad=294.0 2->1 × 3 data=1.0 grad=294.0 3->2 + 4 data=2.0 grad=294.0 4->2 + 5 data=7.0 grad=126.0 5->1 × 6 data=3.0 grad=126.0 6->5 + 7 data=4.0 grad=126.0 7->5 + 8 data=2.0 grad=0.0 8->0 ^