C312322331333132212111133133313331312111133132313331323221333133331211   >>    C31232233133313221211113313331333131211113313231333132322133313333121   <<    C312322331333132212111133133313331312111133132313331323221333133331213   >>      C312322331333132212111133133313331312111133132313331323221333133331212   >>