1: (0 1 7)

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

2: (3 7 21)

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

3: (2 9 4)

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

4: (6 20 8)

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