1: (9 16 20)

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

2: (8 17 11)

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

3: (3 18 16)

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

4: (0 19 4)

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