C313212111133131211331333133313331311331333131211111211111211113313232211211121
>>
C31321211113313121133133313331333131133133313121111121111121111331323221121112
<<
C313212111133131211331333133313331311331333131211111211111211113313232211211123
>>
C313212111133131211331333133313331311331333131211111211111211113313232211211122
>>