1: (3 4 7)

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

2: (4 16 19)

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

3: (15 20 18)

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

4: (2 19 7)

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