C312322331333132212111133133313331323132322331333132333131133132333312131211   >>    C31232233133313221211113313331333132313232233133313233313113313233331213121   <<    C312322331333132212111133133313331323132322331333132333131133132333312131213   >>      C312322331333132212111133133313331323132322331333132333131133132333312131212   >>