1: (0 4 7)

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

2: (4 10 15)

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

3: (2 18 13)

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

4: (11 16 14)

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