1: (3 10 15)

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

2: (8 15 12)

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

3: (6 11 9)

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

4: (2 13 5)

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