C111113331333132322331333133313331323133313233213133311232121121
>>
C11111333133313232233133313331333132313331323321313331123212112
<<
C111113331333132322331333133313331323133313233213133311232121123
>>
C111113331333132322331333133313331323133313233213133311232121122
>>