C111123313121111121111331333133313331333131221111113313331333132221233121   >>    C11112331312111112111133133313331333133313122111111331333133313222123312   <<    C111123313121111121111331333133313331333131221111113313331333132221233123   >>      C111123313121111121111331333133313331333131221111113313331333132221233122   >>