C313212111133131211331333133313331311331333131133133313223313112331333132233231   >>    C31321211113313121133133313331333131133133313113313331322331311233133313223323   <<    C313212111133131211331333133313331311331333131133133313223313112331333132233233   >>      C313212111133131211331333133313331311331333131133133313223313112331333132233232   >>