1: (3 6 16)

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

2: (0 7 5)

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

3: (1 19 4)

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

4: (2 16 11)

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