C312322331333132212111133133313331322331311331311331323133313222221   >>    C31232233133313221211113313331333132233131133131133132313331322222   <<    C312322331333132212111133133313331322331311331311331323133313222223   >>      C312322331333132212111133133313331322331311331311331323133313222222   >>