1: (0 1 7)

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

2: (1 13 16)

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

3: (12 17 14)

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

4: (11 18 16)

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