C312322331333132212111133133313331312111133132313331333113313223111   >>    C31232233133313221211113313331333131211113313231333133311331322311   <<    C312322331333132212111133133313331312111133132313331333113313223113   >>      C312322331333132212111133133313331312111133132313331333113313223112   >>