1: (0 1 12)

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

2: (9 12 21)

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

3: (8 13 11)

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

4: (7 19 12)

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