1: (0 3 7)

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

2: (2 15 4)

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

3: (6 18 9)

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

4: (0 5 3)

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