1: (0 1 16)

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

2: (3 16 20)

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

3: (9 21 19)

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

4: (7 17 15)

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