1: (1 2 7)

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

2: (7 11 14)

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

3: (5 13 9)

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

4: (3 8 6)

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