1: (0 8 18)

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

2: (6 19 17)

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

3: (5 14 7)

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

4: (10 18 16)

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