C313212111133131211331333133313331311331333133313113313331333132233312112121   >>    C31321211113313121133133313331333131133133313331311331333133313223331211212   <<    C313212111133131211331333133313331311331333133313113313331333132233312112123   >>      C313212111133131211331333133313331311331333133313113313331333132233312112122   >>