1: (2 6 11)

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

2: (6 17 19)

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

3: (1 8 3)

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

4: (5 10 7)

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