1: (0 1 8)

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

2: (1 9 12)

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

3: (6 13 11)

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

4: (4 17 7)

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