1: (7 9 15)

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

2: (4 10 8)

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

3: (3 11 9)

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

4: (6 16 14)

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