Найти пропущенные цифры:

\(\displaystyle 11=\) [?|0|1|2]\(\displaystyle \cdot9\,+\) [?|0|1|2] \(\displaystyle \cdot3+2\cdot1=\) [?|0|1|2][?|0|1|2]\(\displaystyle 2_3\)