1: (0 2 7)

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

2: (5 7 21)

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

3: (3 9 6)

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

4: (2 19 7)

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