1: (0 4 5)

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

2: (4 7 11)

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

3: (6 13 8)

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

4: (10 16 12)

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