6

6

14
[1, 9]
14
[2, 9]
14
[3, 9]
14
[4, 9]
14
[5, 9]
14
[6, 9]
14
[7, 9]
14
[8, 9]
14
[9, 9]
14
[10, 9]
14
[11, 9]
14
[1, 10]
14
[2, 10]
14
[3, 10]
14
[4, 10]
14
[5, 10]
14
[6, 10]
14
[7, 10]
14
[8, 10]
14
[9, 10]
14
[10, 10]
14
[11, 10]
14
[1, 11]
14
[2, 11]
14
[3, 11]
14
[4, 11]
14
[5, 11]
14
[6, 11]
14
[7, 11]
14
[8, 11]
14
[9, 11]
14
[10, 11]
14
[11, 11]
14
[1, 12]
14
[2, 12]
14
[3, 12]
14
[4, 12]
14
[5, 12]
14
[6, 12]
14
[7, 12]
14
[8, 12]
14
[9, 12]
14
[10, 12]
14
[11, 12]
14
[1, 13]
14
[2, 13]
14
[3, 13]
14
[4, 13]
14
[5, 13]
14
[6, 13]
14
[7, 13]
14
[8, 13]
14
[9, 13]
14
[10, 13]
14
[11, 13]
14
[1, 14]
14
[2, 14]
14
[3, 14]
14
[4, 14]
14
[5, 14]
14
[6, 14]
14
[7, 14]
14
[8, 14]
14
[9, 14]
14
[10, 14]
14
[11, 14]
14
[1, 15]
14
[2, 15]
14
[3, 15]
14
[4, 15]
14
[5, 15]
14
[6, 15]
14
[7, 15]
14
[8, 15]
14
[9, 15]
14
[10, 15]
14
[11, 15]
14
[1, 16]
14
[2, 16]
14
[3, 16]
14
[4, 16]
14
[5, 16]
14
[6, 16]
14
[7, 16]
14
[8, 16]
14
[9, 16]
14
[10, 16]
14
[11, 16]
14
[1, 17]
14
[2, 17]
14
[3, 17]
14
[4, 17]
14
[5, 17]
14
[6, 17]
14
[7, 17]
14
[8, 17]
14
[9, 17]
14
[10, 17]
14
[11, 17]
14
[1, 18]
14
[2, 18]
14
[3, 18]
14
[4, 18]
14
[5, 18]
14
[6, 18]
14
[7, 18]
14
[8, 18]
14
[9, 18]
14
[10, 18]
14
[11, 18]
14
[1, 19]
14
[2, 19]
14
[3, 19]
14
[4, 19]
14
[5, 19]
14
[6, 19]
14
[7, 19]
14
[8, 19]
14
[9, 19]
14
[10, 19]
14
[11, 19]

6

6