1: (2 9 20)

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

2: (0 18 4)

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

3: (3 14 20)

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

4: (11 19 17)

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