1: (4 7 11)

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

2: (2 7 5)

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

3: (3 12 10)

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

4: (6 13 8)

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