1: (0 6 14)

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

2: (5 18 7)

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

3: (6 16 10)

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

4: (9 15 13)

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