C312322331333132212111133133313331312111133132313331322332313223121   >>    C31232233133313221211113313331333131211113313231333132233231322312   <<    C312322331333132212111133133313331312111133132313331322332313223123   >>      C312322331333132212111133133313331312111133132313331322332313223122   >>