1: (0 4 7)

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

2: (3 8 5)

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

3: (2 11 7)

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

4: (6 13 9)

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