C1111233131211111211113313231333133313331323331333133313223313332222231   >>    C111123313121111121111331323133313331333132333133313331322331333222223   <<    C1111233131211111211113313231333133313331323331333133313223313332222233   >>      C1111233131211111211113313231333133313331323331333133313223313332222232   >>