1: (0 2 8)

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

2: (7 16 19)

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

3: (15 20 18)

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

4: (14 21 19)

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