1: (0 2 9)

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

2: (2 10 19)

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

3: (7 20 17)

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

4: (8 18 16)

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