C313212111133131211331333133313331333133313331333133313331323132233112331   >>    C31321211113313121133133313331333133313331333133313331333132313223311233   <<    C313212111133131211331333133313331333133313331333133313331323132233112333   >>      C313212111133131211331333133313331333133313331333133313331323132233112332   >>