1: (6 7 12)

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

2: (3 9 12)

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

3: (8 16 10)

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

4: (2 12 7)

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