1: (0 1 7)

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

2: (4 7 20)

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

3: (2 8 5)

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

4: (1 17 7)

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