C312322331333132212111133133313331312111133132313113313121121211   >>    C31232233133313221211113313331333131211113313231311331312112121   <<    C312322331333132212111133133313331312111133132313113313121121213   >>      C312322331333132212111133133313331312111133132313113313121121212   >>