C11112331312111112111133133313331333133313331333133313331333132233312111112131   >>    C1111233131211111211113313331333133313331333133313331333133313223331211111213   <<    C11112331312111112111133133313331333133313331333133313331333132233312111112133   >>      C11112331312111112111133133313331333133313331333133313331333132233312111112132   >>