1: (0 6 7)

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

2: (7 18 20)

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

3: (17 21 19)

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

4: (6 20 16)

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