C111113331333132322331333133313331333132313331333133323223213112121
>>
C11111333133313232233133313331333133313231333133313332322321311212
<<
C111113331333132322331333133313331333132313331333133323223213112123
>>
C111113331333132322331333133313331333132313331333133323223213112122
>>