YOU SAID:

I have composed a near impossible problem to solve.

INTO JAPANESE

私は解決することがほぼ不可能な問題を作成しました。

BACK INTO ENGLISH

I created a problem that was almost impossible to solve.

INTO JAPANESE

私はほとんど解決不可能な問題を作成しました。

BACK INTO ENGLISH

I created a problem that was almost unsolvable.

INTO JAPANESE

私はほとんど解決できない問題を作成しました。

BACK INTO ENGLISH

I created a problem that could hardly be solved.

INTO JAPANESE

私はほとんど解決できない問題を作成しました。

BACK INTO ENGLISH

I created a problem that could hardly be solved.