1: (0 1 2)

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

2: (1 16 18)

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

3: (15 20 17)

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

4: (10 21 18)

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