1: (2 7 11)

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

2: (6 19 8)

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

3: (7 13 9)

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

4: (10 15 12)

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