(((11,(17,2)),(1,10)),(6,((5,7),((((13,14),12),((18,16),((3,15),((19,8),(4,20))))),9))));
(((1,10),11),((((((17,((13,14),8)),(5,7)),12),(2,(16,18))),9),(6,((3,15),(19,(20,4))))));
((((10,((((19,14),12),(2,(16,18))),9)),(1,13)),11),((5,7),(6,((3,15),(8,(4,(17,20)))))));
(11,(((5,7),(((13,14),(16,2)),9)),(6,((3,15),((19,(((1,10),12),(18,8))),(4,(17,20)))))));
(((1,10),(11,2)),(5,(6,((3,15),((19,8),(4,(17,(20,(((((13,14),12),(16,18)),9),7)))))))));
(((1,10),11),((6,(5,(8,((((13,14),12),(2,(18,16))),9)))),((3,15),((19,7),(4,(17,20))))));
(((1,10),11),(((5,7),((((13,14),12),((16,2),(4,(17,20)))),9)),(6,((3,(18,(19,15))),8))));
