1: (0 7 9)

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

2: (9 14 19)

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

3: (4 16 11)

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

4: (12 17 15)

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