C11112331333132311331333133313231333131133131211113313222313223331   >>    C1111233133313231133133313331323133313113313121111331322231322333   <<    C11112331333132311331333133313231333131133131211113313222313223333   >>      C11112331333132311331333133313231333131133131211113313222313223332   >>