C111123313121111121111331333133313331323133312232133313231323231   >>    C11112331312111112111133133313331333132313331223213331323132323   <<    C111123313121111121111331333133313331323133312232133313231323233   >>      C111123313121111121111331333133313331323133312232133313231323232   >>