1: (0 5 9)

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

2: (4 16 6)

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

3: (0 18 10)

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

4: (13 19 17)

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