C111113331333132322331333133313331333133311331333133313233332211
>>
C11111333133313232233133313331333133313331133133313331323333221
<<
C111113331333132322331333133313331333133311331333133313233332213
>>
C111113331333132322331333133313331333133311331333133313233332212
>>