C312322331333132212111133133313331312111133132313331322211231221   >>    C31232233133313221211113313331333131211113313231333132221123122   <<    C312322331333132212111133133313331312111133132313331322211231223   >>      C312322331333132212111133133313331312111133132313331322211231222   >>