1: (4 8 10)

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

2: (0 1 8)

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

3: (7 13 9)

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

4: (3 11 5)

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