1: (3 6 10)

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

2: (10 12 20)

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

3: (1 7 5)

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

4: (6 20 8)

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