1: (3 12 19)

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

2: (6 20 18)

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

3: (2 17 4)

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

4: (3 16 5)

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