1: (0 2 10)

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

2: (5 10 18)

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

3: (4 15 6)

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

4: (14 19 17)

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