1: (0 4 8)

(0 5 4 21 17 7 2)(1 20 18 9 3)(6 12 10)(8)(11 15 13)(14 19 16)

2: (2 17 7)

(0 5 4 21 17)(1 20 18 9 3)(2)(6 12 10)(7)(8)(11 15 13)(14 19 16)

3: (1 20 3)

(0 5 4 21 17)(1)(2)(3 18 9)(6 12 10)(7)(8)(11 15 13)(14 19 16)(20)

4: (0 5 17)

(0)(1)(2)(3 18 9)(4 21 17)(5)(6 12 10)(7)(8)(11 15 13)(14 19 16)(20)