1: (0 5 20)

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

2: (0 6 8)

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

3: (3 9 7)

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

4: (2 18 4)

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