1: (2 8 10)

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

2: (7 16 9)

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

3: (2 4 6)

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

4: (0 5 3)

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