C31321211113313121133133313331333133313233313113313232212121123311   >>    C3132121111331312113313331333133313331323331311331323221212112331   <<    C31321211113313121133133313331333133313233313113313232212121123313   >>      C31321211113313121133133313331333133313233313113313232212121123312   >>