1: (6 11 13)

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

2: (5 12 7)

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

3: (3 11 10)

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

4: (1 8 4)

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