1: (0 1 17)

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

2: (9 17 21)

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

3: (8 18 16)

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

4: (6 19 17)

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