C312322331333132212111133133313331312111133132313113313223312131   >>    C31232233133313221211113313331333131211113313231311331322331213   <<    C312322331333132212111133133313331312111133132313113313223312133   >>      C312322331333132212111133133313331312111133132313113313223312132   >>