1: (0 3 9)

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

2: (5 9 15)

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

3: (6 17 13)

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

4: (14 19 16)

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