C312322331333132212111133133313331312111133132313331311111133131   >>    C31232233133313221211113313331333131211113313231333131111113313   <<    C312322331333132212111133133313331312111133132313331311111133133   >>      C312322331333132212111133133313331312111133132313331311111133132   >>