1: (0 5 9)

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

2: (9 17 20)

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

3: (14 21 19)

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

4: (8 18 16)

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