1: (0 7 15)

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

2: (5 16 13)

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

3: (4 18 15)

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

4: (11 16 14)

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