1: (3 12 20)

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

2: (0 18 6)

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

3: (7 19 12)

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

4: (2 17 4)

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