C2313111122233131121133132311113313223313231333132333132313223311331   >>    C231311112223313112113313231111331322331323133313233313231322331133   <<    C2313111122233131121133132311113313223313231333132333132313223311333   >>      C2313111122233131121133132311113313223313231333132333132313223311332   >>