1: (0 6 8)

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

2: (8 16 20)

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

3: (7 17 15)

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

4: (14 21 19)

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