1: (0 2 7)

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

2: (2 8 14)

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

3: (7 21 12)

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

4: (9 15 13)

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