C11112331312111112111133133313331333132323133313331333131332111311   >>    C1111233131211111211113313331333133313232313331333133313133211131   <<    C11112331312111112111133133313331333132323133313331333131332111313   >>      C11112331312111112111133133313331333132323133313331333131332111312   >>