1: (0 3 15)

(0 4 2)(1 20 18)(3 17 15 21 19 9 5)(6 14 7)(8 12 10)(11 16 13)

2: (9 17 19)

(0 4 2)(1 20 18)(3 17 5)(6 14 7)(8 12 10)(9)(11 16 13)(15 21 19)

3: (1 20 18)

(0 4 2)(1)(3 17 5)(6 14 7)(8 12 10)(9)(11 16 13)(15 21 19)(18)(20)

4: (0 4 2)

(0)(1)(2)(3 17 5)(4)(6 14 7)(8 12 10)(9)(11 16 13)(15 21 19)(18)(20)