  0     0     0     0     0     0     0     1     0
#&gt;  [7,]     0     0     1     0     0     0     0     0     0     0     0     1
#&gt;  [8,]     0     0     0     1     0     0     0     0     0     0     0     0
#&gt;  [9,]     0     0     0     0     1     0     0     0     0     0     0     0
#&gt; [10,]     0     0     0     0     0     0     0     0     0     0     0     0
#&gt; [11,]     0     0     0     0     0     0     0     0     0     0     0     0
#&gt; [12,]     0     0     0     0     