1: (1 17 20)

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

2: (0 19 4)

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

3: (1 18 6)

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

4: (3 9 5)

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