a open curly brackets table attributes columnalign left end attributes row cell x plus 2 y plus 3 z equals 1 end cell row cell 4 x plus y plus 8 z ...
a open curly brackets table attributes columnalign left end attributes row cell x plus 2 y plus 3 z equals 1 end cell row cell 4 x plus y plus 8 z equals 2 end cell row cell 2 y plus 3 z equals negative 1 end cell end table close
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