1: (4 10 16)

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

2: (9 19 13)

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

3: (15 20 17)

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

4: (3 16 14)

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