1: (3 6 15)

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

2: (0 7 5)

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

3: (6 20 8)

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

4: (2 10 4)

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