C31321211113313121133133313331333133313331333133313331333133313112113122333131   >>    C3132121111331312113313331333133313331333133313331333133313331311211312233313   <<    C31321211113313121133133313331333133313331333133313331333133313112113122333133   >>      C31321211113313121133133313331333133313331333133313331333133313112113122333132   >>