1: (3 9 11)

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

2: (7 13 10)

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

3: (6 15 11)

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

4: (2 12 4)

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