C1111233133313231133133313331333133313231331133133313331311221123133121
>>
C111123313331323113313331333133313331323133113313331333131122112313312
<<
C1111233133313231133133313331333133313231331133133313331311221123133123
>>
C1111233133313231133133313331333133313231331133133313331311221123133122
>>