C31321211111333132331211113313331333133313121211111133133313221333132213233311   >>    C3132121111133313233121111331333133313331312121111113313331322133313221323331   <<    C31321211111333132331211113313331333133313121211111133133313221333132213233313   >>      C31321211111333132331211113313331333133313121211111133133313221333132213233312   >>