1: (0 7 11)

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

2: (6 14 8)

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

3: (0 20 12)

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

4: (10 16 13)

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