C1111233133313231133133313331333133313231232313331333131133123121
>>
C111123313331323113313331333133313331323123231333133313113312312
<<
C1111233133313231133133313331333133313231232313331333131133123123
>>
C1111233133313231133133313331333133313231232313331333131133123122
>>