1: (5 8 18)

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

2: (3 9 7)

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

3: (0 6 4)

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

4: (2 10 8)

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