1: (0 1 12)

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

2: (3 12 21)

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

3: (2 15 9)

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

4: (1 20 12)

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