1: (0 1 8)

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

2: (8 12 18)

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

3: (5 13 10)

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

4: (12 19 16)

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