1: (5 10 20)

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

2: (3 11 9)

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

3: (5 10 20)

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

4: (1 7 4)

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