1: (1 8 15)

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

2: (0 9 3)

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

3: (8 18 10)

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

4: (2 20 5)

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