4	4	21	55,39,42 
5	2,8,8,4	22	35
7	6,7	24	56
8	9,8,13,11	25	33,59,48,56
9	5,5,13	26	39,41
10	8,17,14	27	78,57
12	11,21,19	28	64,84
13	18,27,15	29	68,54
14	14,16	30	60,101,67
15	16	31	77
16	19,14,34	35	85,107
17	29,22	36	79
18	47,29,34	39	138
19	30	40	110,134
20	48