C313212111133131211331333133313331333133311233133313232331233132212121
>>
C31321211113313121133133313331333133313331123313331323233123313221212
<<
C313212111133131211331333133313331333133311233133313232331233132212123
>>
C313212111133131211331333133313331333133311233133313232331233132212122
>>