(0,1,2,3,(((4,5,6,(8,7),10),11,((15,12),16,((19,17),26,27),28,29),30),31,(42,43,((49,(50,(52,51),56),57,58),59,68),(77,78,79))),80);
(0,1,2,3,(((4,5,6,7,10),11,(12,16,(((15,19),17),26,27),28,29),30),(77,31),(42,43,((49,(50,(8,51),56),57,58),(52,59),68),78)),80,79);
