C11111211113313112113313331333132313331322113121111331333131133132332323311   >>    C1111121111331311211331333133313231333132211312111133133313113313233232331   <<    C11111211113313112113313331333132313331322113121111331333131133132332323313   >>      C11111211113313112113313331333132313331322113121111331333131133132332323312   >>