C312322331333132212111133133313331322331311331311331323133313231322131   >>    C31232233133313221211113313331333132233131133131133132313331323132213   <<    C312322331333132212111133133313331322331311331311331323133313231322133   >>      C312322331333132212111133133313331322331311331311331323133313231322132   >>