1: (0 3 7)

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

2: (1 20 4)

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

3: (3 9 5)

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

4: (6 12 8)

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