C111123313121111121111331333132313331323133313331323133112111133133313311223311   >>    C11112331312111112111133133313231333132313331333132313311211113313331331122331   <<    C111123313121111121111331333132313331323133313331323133112111133133313311223313   >>      C111123313121111121111331333132313331323133313331323133112111133133313311223312   >>