C11111211113313112113313331333133313331122112312111133131211113321123131
>>
C1111121111331311211331333133313331333112211231211113313121111332112313
<<
C11111211113313112113313331333133313331122112312111133131211113321123133
>>
C11111211113313112113313331333133313331122112312111133131211113321123132
>>