1: (6 11 12)

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

2: (9 15 11)

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

3: (3 10 8)

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

4: (9 20 12)

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