C2313111122233131121133132311113313223313231333132333132322331123331   >>    C231311112223313112113313231111331322331323133313233313232233112333   <<    C2313111122233131121133132311113313223313231333132333132322331123333   >>      C2313111122233131121133132311113313223313231333132333132322331123332   >>