C2313111122233131121133132311113313223313231333132333132313132323221   >>    C231311112223313112113313231111331322331323133313233313231313232322   <<    C2313111122233131121133132311113313223313231333132333132313132323223   >>      C2313111122233131121133132311113313223313231333132333132313132323222   >>