C111123313121111121111331333133313331321123121133132313331333123232321   >>    C11112331312111112111133133313331333132112312113313231333133312323232   <<    C111123313121111121111331333133313331321123121133132313331333123232323   >>      C111123313121111121111331333133313331321123121133132313331333123232322   >>