C312322331333132212111133133313331322331311331311331323133313222121   >>    C31232233133313221211113313331333132233131133131133132313331322212   <<    C312322331333132212111133133313331322331311331311331323133313222123   >>      C312322331333132212111133133313331322331311331311331323133313222122   >>