1: (0 1 16)

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

2: (3 16 20)

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

3: (11 21 18)

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

4: (7 17 15)

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