C312322331333132212111133133313331312111133132313331333131123313231331   >>    C31232233133313221211113313331333131211113313231333133313112331323133   <<    C312322331333132212111133133313331312111133132313331333131123313231333   >>      C312322331333132212111133133313331312111133132313331333131123313231332   >>