1: (0 7 11)

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

2: (7 14 16)

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

3: (12 18 15)

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

4: (1 20 9)

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