1: (5 7 20)

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

2: (4 9 6)

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

3: (3 16 7)

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

4: (8 17 15)

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