1: (3 8 20)

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

2: (4 8 12)

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

3: (7 17 9)

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

4: (6 14 11)

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