1: (5 7 12)

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

2: (0 3 12)

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

3: (2 8 6)

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

4: (1 18 4)

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