1: (0 4 5)

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

2: (4 7 12)

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

3: (6 14 8)

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

4: (11 15 13)

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