1: (0 1 12)

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

2: (1 14 18)

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

3: (13 19 16)

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

4: (12 20 18)

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