7
[0, 0]
[0, 1]
[0, 2]
[1, 2]
[2, 2]

11
[0, 0]
[1, 0]
[1, 1]

5
[0, 0]
[1, 0]
[2, 0]
[2, 1]
[2, 2]

10
[0, 0]
[0, 1]
[1, 1]
[1, 2]
[2, 2]

20
[0, 0]
[0, 1]
[1, 1]
[2, 1]
[3, 1]

21
[0, 0]
[0, 1]
[0, 2]
[1, 2]
[2, 2]

38
[0, 0]
[0, 1]
[0, 2]
[1, 2]
[1, 3]
[2, 3]
[2, 4]
[3, 4]
[4, 4]
[4, 5]
[5, 5]
[6, 5]
[6, 6]
[7, 6]
[7, 7]
[8, 7]
[9, 7]
[9, 8]
[9, 9]

148
[0, 0]
[0, 1]
[1, 1]
[1, 2]
[1, 3]
[1, 4]
[2, 4]
[2, 5]
[2, 6]
[3, 6]
[4, 6]
[5, 6]
[6, 6]
[6, 7]
[7, 7]
[8, 7]
[9, 7]
[9, 8]
[9, 9]
[10, 9]
[10, 10]
[11, 10]
[12, 10]
[13, 10]
[14, 10]
[14, 11]
[14, 12]
[14, 13]
[14, 14]
[14, 15]
[15, 15]
[16, 15]
[16, 16]
[17, 16]
[18, 16]
[19, 16]
[19, 17]
[19, 18]
[19, 19]