C111123313121111121111331333133313331323232133113313231333131133131123313113321   >>    C11112331312111112111133133313331333132323213311331323133313113313112331311332   <<    C111123313121111121111331333133313331323232133113313231333131133131123313113323   >>      C111123313121111121111331333133313331323232133113313231333131133131123313113322   >>