C313212111113331323312111133133313331333133313331333133313331311331323221312121   >>    C31321211111333132331211113313331333133313331333133313331333131133132322131212   <<    C313212111113331323312111133133313331333133313331333133313331311331323221312123   >>      C313212111113331323312111133133313331333133313331333133313331311331323221312122   >>