1: (1 7 9)

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

2: (5 11 8)

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

3: (2 13 9)

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

4: (10 14 12)

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