C1111233131211111211113313231333133313331323331333133313223313332311211311   >>    C111123313121111121111331323133313331333132333133313331322331333231121131   <<    C1111233131211111211113313231333133313331323331333133313223313332311211313   >>      C1111233131211111211113313231333133313331323331333133313223313332311211312   >>