C312322331333132212111133133313331312111133132313331333112211232212121
>>
C31232233133313221211113313331333131211113313231333133311221123221212
<<
C312322331333132212111133133313331312111133132313331333112211232212123
>>
C312322331333132212111133133313331312111133132313331333112211232212122
>>