1: (0 2 3)

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

2: (3 10 12)

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

3: (7 13 11)

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

4: (2 12 6)

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