1:      01  02  1
2:  	01  03  2
3:  	01  04  5
4:  	01  05  3
5: 	01  06  3
6: 	01  08  4
7: 	02  03  1
8: 	03  05  3
9: 	05  04  3
10: 	05  09  3
11: 	05  11  4
12:     05  08  3
13:     05  07  3
14:     05  06  5
15:     06  08  4
16:     07  08  1
17:     08  04  5
18:     08  09  4
19:     08  11  2
20:     09  04  2
21:     09  10  2
22:     09  11  3
23:     10  11  1
