1: (2 7 9)

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

2: (6 20 8)

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

3: (1 9 5)

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

4: (0 18 3)

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