1: (0 5 8)

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

2: (3 9 5)

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

3: (2 18 4)

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

4: (3 10 8)

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