1: (0 3 7)

(0 5 3 20 1)(2 21 19 15 4)(6 18 12 10 8)(7)(9 16 11)(13 17 14)

2: (2 15 4)

(0 5 3 20 1)(2)(4)(6 18 12 10 8)(7)(9 16 11)(13 17 14)(15 21 19)

3: (6 18 12)

(0 5 3 20 1)(2)(4)(6 10 8)(7)(9 16 11)(12)(13 17 14)(15 21 19)(18)

4: (0 5 3)

(0 20 1)(2)(3)(4)(5)(6 10 8)(7)(9 16 11)(12)(13 17 14)(15 21 19)(18)