1: (0 1 18)

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

2: (12 18 21)

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

3: (9 19 16)

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

4: (6 20 18)

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