C11112331333132311331333133313331333132313112232213231323131211
>>
C1111233133313231133133313331333133313231311223221323132313121
<<
C11112331333132311331333133313331333132313112232213231323131213
>>
C11112331333132311331333133313331333132313112232213231323131212
>>