0:
  7:
    0
    1
    2
    3
    4
    5
    6
    7
    8
    9
2:
  2:
    0
    1
    2
  9:
    0
    1
    2
    3
    4
3:
  5:
    0
    1
    2
    3
  8:
    0
    1
    2
    3
    4
    5
    6
    7
    8
4:
  3:
    0
    1
    2
    3
    4
    5
    6
    7
    8
  7:
    0
    1
  9:
    0
    1
    2
5:
  2:
    0
    1
    2
    3
    4
    5
6:
  8:
    0
    0
    1
    1
    2
    2
    3
    3
    4
    4
    5
    6
    7
    8
    9
  9:
    0
    1
    2
    3
    4
    5
    6
    7
    8
7:
  7:
    0
    1
    2
    3
    4
    5
    6
    7
8:
  4:
    0
    1
    2
    3
    4
    5
    6
9:
  3:
    0
    1