C111123313121111121111331333132313331323133313332233132313231323111   >>    C11112331312111112111133133313231333132313331333223313231323132311   <<    C111123313121111121111331333132313331323133313332233132313231323113   >>      C111123313121111121111331333132313331323133313332233132313231323112   >>