1: (0 10 18)

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

2: (5 19 17)

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

3: (4 11 9)

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

4: (7 20 18)

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