C312322331333132212111133133313331333133323213331311331323133313113312121   >>    C31232233133313221211113313331333133313332321333131133132313331311331212   <<    C312322331333132212111133133313331333133323213331311331323133313113312123   >>      C312322331333132212111133133313331333133323213331311331323133313113312122   >>