C11112331312111112111133132313331333133313233313331333132322221323311   >>    C1111233131211111211113313231333133313331323331333133313232222132331   <<    C11112331312111112111133132313331333133313233313331333132322221323313   >>      C11112331312111112111133132313331333133313233313331333132322221323312   >>