1: (0 1 16)

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

2: (5 16 20)

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

3: (1 19 7)

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

4: (2 9 6)

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