1: (0 3 8)

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

2: (8 11 19)

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

3: (6 13 9)

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

4: (10 14 12)

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