C1111233131211111211113313331323133313331333133313231333231312121
>>
C111123313121111121111331333132313331333133313331323133323131212
<<
C1111233131211111211113313331323133313331333133313231333231312123
>>
C1111233131211111211113313331323133313331333133313231333231312122
>>