1: (3 8 11)

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

2: (2 9 7)

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

3: (6 12 10)

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

4: (5 13 11)

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