1: (0 4 15)

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

2: (2 21 12)

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

3: (0 6 17)

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

4: (5 13 7)

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