C111123313331323113313331333133313231323133312111113231311212323131
>>
C11112331333132311331333133313331323132313331211111323131121232313
<<
C111123313331323113313331333133313231323133312111113231311212323133
>>
C111123313331323113313331333133313231323133312111113231311212323132
>>