C111123313331323113313331333133313231333132313223313231333132222233111   >>    C11112331333132311331333133313331323133313231322331323133313222223311   <<    C111123313331323113313331333133313231333132313223313231333132222233113   >>      C111123313331323113313331333133313231333132313223313231333132222233112   >>