1: (0 1 2)

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

2: (1 13 18)

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

3: (9 21 15)

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

4: (10 16 14)

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