C312322331333132212111133133313331323133313221211111211113313123232121
>>
C31232233133313221211113313331333132313331322121111121111331312323212
<<
C312322331333132212111133133313331323133313221211111211113313123232123
>>
C312322331333132212111133133313331323133313221211111211113313123232122
>>