C312322331333132212111133133313331333133312121111121111123222211
>>
C31232233133313221211113313331333133313331212111112111112322221
<<
C312322331333132212111133133313331333133312121111121111123222213
>>
C312322331333132212111133133313331333133312121111121111123222212
>>