1: (5 8 15)

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

2: (3 9 7)

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

3: (8 18 10)

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

4: (14 19 17)

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