C312322331333132212111133133313331312111133132313331331121213231   >>    C31232233133313221211113313331333131211113313231333133112121323   <<    C312322331333132212111133133313331312111133132313331331121213233   >>      C312322331333132212111133133313331312111133132313331331121213232   >>