1: (3 6 11)

(0 7 5)(1 18 4)(2 11 10 8 6)(3)(9 14 12)(13 19 15)(16 20 17)

2: (0 7 5)

(0)(1 18 4)(2 11 10 8 6)(3)(5)(7)(9 14 12)(13 19 15)(16 20 17)

3: (1 18 4)

(0)(1)(2 11 10 8 6)(3)(4)(5)(7)(9 14 12)(13 19 15)(16 20 17)(18)

4: (2 11 10)

(0)(1)(2 8 6)(3)(4)(5)(7)(9 14 12)(10)(11)(13 19 15)(16 20 17)(18)