C132233133112121111331333133313331323331333133313231333233123313123231   >>    C13223313311212111133133313331333132333133313331323133323312331312323   <<    C132233133112121111331333133313331323331333133313231333233123313123233   >>      C132233133112121111331333133313331323331333133313231333233123313123232   >>