C111123313121111121111331333133313331333133313331333133313231331122132321   >>    C11112331312111112111133133313331333133313331333133313331323133112213232   <<    C111123313121111121111331333133313331333133313331333133313231331122132323   >>      C111123313121111121111331333133313331333133313331333133313231331122132322   >>