1: (2 7 20)

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

2: (0 8 6)

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

3: (2 7 20)

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

4: (1 19 4)

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