1: (0 8 11)

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

2: (7 13 9)

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

3: (10 15 12)

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

4: (6 18 11)

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