1: (0 4 5)

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

2: (5 14 18)

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

3: (4 16 13)

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

4: (15 19 17)

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