1: (0 1 2)

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

2: (2 7 9)

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

3: (6 18 8)

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

4: (1 9 5)

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