2

2

20
[0, 15]
20
[1, 15]
20
[2, 15]
20
[3, 15]
20
[4, 15]
20
[5, 15]
20
[6, 15]
20
[7, 15]
20
[8, 15]
20
[9, 15]
20
[10, 15]
20
[0, 16]
20
[1, 16]
20
[2, 16]
20
[3, 16]
20
[4, 16]
20
[5, 16]
20
[6, 16]
20
[7, 16]
20
[8, 16]
20
[9, 16]
20
[10, 16]
20
[0, 17]
20
[1, 17]
20
[2, 17]
20
[3, 17]
20
[4, 17]
20
[5, 17]
20
[6, 17]
20
[7, 17]
20
[8, 17]
20
[9, 17]
20
[10, 17]
20
[0, 18]
20
[1, 18]
20
[2, 18]
20
[3, 18]
20
[4, 18]
20
[5, 18]
20
[6, 18]
20
[7, 18]
20
[8, 18]
20
[9, 18]
20
[10, 18]
20
[0, 19]
20
[1, 19]
20
[2, 19]
20
[3, 19]
20
[4, 19]
20
[5, 19]
20
[6, 19]
20
[7, 19]
20
[8, 19]
20
[9, 19]
20
[10, 19]
20
[0, 20]
20
[1, 20]
20
[2, 20]
20
[3, 20]
20
[4, 20]
20
[5, 20]
20
[6, 20]
20
[7, 20]
20
[8, 20]
20
[9, 20]
20
[10, 20]
20
[0, 21]
20
[1, 21]
20
[2, 21]
20
[3, 21]
20
[4, 21]
20
[5, 21]
20
[6, 21]
20
[7, 21]
20
[8, 21]
20
[9, 21]
20
[10, 21]
20
[0, 22]
20
[1, 22]
20
[2, 22]
20
[3, 22]
20
[4, 22]
20
[5, 22]
20
[6, 22]
20
[7, 22]
20
[8, 22]
20
[9, 22]
20
[10, 22]
20
[0, 23]
20
[1, 23]
20
[2, 23]
20
[3, 23]
20
[4, 23]
20
[5, 23]
20
[6, 23]
20
[7, 23]
20
[8, 23]
20
[9, 23]
20
[10, 23]
20
[0, 24]
20
[1, 24]
20
[2, 24]
20
[3, 24]
20
[4, 24]
20
[5, 24]
20
[6, 24]
20
[7, 24]
20
[8, 24]
20
[9, 24]
20
[10, 24]
20
[0, 25]
20
[1, 25]
20
[2, 25]
20
[3, 25]
20
[4, 25]
20
[5, 25]
20
[6, 25]
20
[7, 25]
20
[8, 25]
20
[9, 25]
20
[10, 25]

2

2