C2313111122233131121133132311113313223313231333132333132313223332321   >>    C231311112223313112113313231111331322331323133313233313231322333232   <<    C2313111122233131121133132311113313223313231333132333132313223332323   >>      C2313111122233131121133132311113313223313231333132333132313223332322   >>