C312322331333132212111133133313331312111133132313331311112333121   >>    C31232233133313221211113313331333131211113313231333131111233312   <<    C312322331333132212111133133313331312111133132313331311112333123   >>      C312322331333132212111133133313331312111133132313331311112333122   >>