1: (0 5 9)

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

2: (4 11 7)

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

3: (9 16 18)

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

4: (13 19 17)

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