1: (0 2 16)

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

2: (1 21 3)

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

3: (2 18 5)

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

4: (15 19 17)

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