1:2: 3: 4:
5: 6:7: 8:
9: 10: 11: 12:
13: 14: 15: 16:
17:  22:23:24:
25:26:27:28:
29:30:31:32:
33:34:35:36:
37: 38:39:40:
41:42:43:44:
45: