1: (0 1 10)

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

2: (4 10 18)

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

3: (3 16 6)

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

4: (15 19 17)

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