C312322331333132212111133133313331322331311331311331323133313221321   >>    C31232233133313221211113313331333132233131133131133132313331322132   <<    C312322331333132212111133133313331322331311331311331323133313221323   >>      C312322331333132212111133133313331322331311331311331323133313221322   >>