C11112331312111112111133133313331333132323213331333133311211331322232321311321   >>    C1111233131211111211113313331333133313232321333133313331121133132223232131132   <<    C11112331312111112111133133313331333132323213331333133311211331322232321311323   >>      C11112331312111112111133133313331333132323213331333133311211331322232321311322   >>