1: (4 7 15)

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

2: (6 20 8)

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

3: (3 10 5)

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

4: (2 14 7)

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