1: (0 6 7)

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

2: (7 13 20)

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

3: (9 21 18)

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

4: (6 20 8)

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