1: (0 1 8)

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

2: (1 8 16)

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

3: (7 21 10)

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

4: (8 16 20)

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