1: (2 6 9)

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

2: (5 12 7)

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

3: (2 14 10)

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

4: (11 15 13)

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