(((0,1,2,3),4,(5,6,7)),(8,(9,10,((11,12,13,14),15,16,17,(18,19,20,21,22)),(23,24,25,26,27)),28,29));
(((0,1,2,3,25),(5,6,7),16),((9,10,(15,17,(18,19,20,21,22,8,(11,12,13,14,4))),(23,24,26,27)),28,29));