1: (4 13 16)

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

2: (12 18 15)

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

3: (2 16 7)

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

4: (3 20 5)

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