1: (0 2 16)

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

2: (1 18 8)

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

3: (14 21 17)

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

4: (0 2 16)

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