C312322331333132212111133133313331312111133132313331333113313111   >>    C31232233133313221211113313331333131211113313231333133311331311   <<    C312322331333132212111133133313331312111133132313331333113313113   >>      C312322331333132212111133133313331312111133132313331333113313112   >>