1: (0 1 3)

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

2: (3 9 18)

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

3: (2 16 5)

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

4: (15 19 17)

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