1: (0 2 5)

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

2: (1 18 3)

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

3: (5 19 21)

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

4: (2 7 4)

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