1: (1 9 19)

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

2: (1 3 6)

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

3: (2 8 4)

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

4: (5 15 7)

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