1: (9 10 20)

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

2: (3 5 10)

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

3: (1 6 4)

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

4: (5 20 8)

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