1: (0 3 7)

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

2: (2 12 4)

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

3: (6 19 8)

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

4: (0 5 3)

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