1: (6 11 20)

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

2: (5 12 7)

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

3: (2 13 11)

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

4: (0 18 4)

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