1: (7 16 19)

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

2: (15 20 17)

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

3: (1 19 14)

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

4: (0 8 2)

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