1: (0 1 5)

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

2: (1 14 16)

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

3: (13 17 15)

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

4: (12 18 16)

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