1: (1 5 9)

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

2: (6 14 19)

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

3: (0 17 3)

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

4: (13 18 15)

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