1: (0 5 7)

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

2: (7 12 20)

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

3: (6 16 9)

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

4: (5 14 11)

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