1: (0 1 6)

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

2: (1 15 18)

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

3: (14 19 17)

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

4: (10 20 18)

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