1: (2 8 19)

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

2: (0 17 6)

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

3: (5 9 7)

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

4: (1 19 12)

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