1: (1 7 11)

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

2: (6 12 10)

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

3: (3 13 11)

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

4: (2 8 4)

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