C312322331333132212111133133313331312111133132313331331122131123331   >>    C31232233133313221211113313331333131211113313231333133112213112333   <<    C312322331333132212111133133313331312111133132313331331122131123333   >>      C312322331333132212111133133313331312111133132313331331122131123332   >>