C111123313121111121111331333133313331333133311233133313133112111
>>
C11112331312111112111133133313331333133313331123313331313311211
<<
C111123313121111121111331333133313331333133311233133313133112113
>>
C111123313121111121111331333133313331333133311233133313133112112
>>