C31321211113313121133133313331333133313331211113313232233313231   >>    C3132121111331312113313331333133313331333121111331323223331323   <<    C31321211113313121133133313331333133313331211113313232233313233   >>      C31321211113313121133133313331333133313331211113313232233313232   >>