1: (3 11 20)

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

2: (0 19 6)

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

3: (2 18 4)

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

4: (3 12 5)

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