\[
A=
  \begin{blockarray}{ccc|cccc|c|cccc}
    & t_1& t_2 & ... & ... & ... & ... & t_n & ... & t_h & ... & t_{2^n} \\
    \begin{block}{c(cc|cccc|c|cccc@{\hspace*{5pt}})}
    p_1 	&1&0& \BAmulticolumn{4}{c|}{\multirow{4}{*}{$B_1$}}& 0 &...&1&...&1\\
    p_2 	&0&1& &&&&0&...&0&...&1\\
    p_3 	&0&0& &&&&0&...&1&...&1\\
    p_4 	&0&0& &&&&0&...&0&...&1\\
    \cline{1-12}% don't use \hline
    p_5	&0&0& \BAmulticolumn{4}{c|}{\multirow{4}{*}{$B_2$}}& 0 &...&0&...&1\\
    p_6 	&0&0	&&&&&0&...&0&...	&1\\
    ... 	   	&...&...	&&&&&...&...&...&...	&...\\
    p_{n-1}	&0&0	&&&&&0&...&0&...	&1\\
    p_n 	&0&0	&&&&&1&...&0&...	&1\\
    \end{block}
  \end{blockarray}
\]