1: (0 1 17)

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

2: (15 17 21)

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

3: (12 18 16)

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

4: (8 19 17)

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