C1111233131211111211113313331333133313331333133313331333121111331323311113311   >>    C111123313121111121111331333133313331333133313331333133312111133132331111331   <<    C1111233131211111211113313331333133313331333133313331333121111331323311113313   >>      C1111233131211111211113313331333133313331333133313331333121111331323311113312   >>