C312322331333132212111133133313331333133312121111121133131133132313331312111211   >>    C31232233133313221211113313331333133313331212111112113313113313231333131211121   <<    C312322331333132212111133133313331333133312121111121133131133132313331312111213   >>      C312322331333132212111133133313331333133312121111121133131133132313331312111212   >>