B33113313132313113313223313331323132313233313331311233132313331323133313221121
>>
B3311331313231311331322331333132313231323331333131123313231333132313331322112
<<
B33113313132313113313223313331323132313233313331311233132313331323133313221123
>>
B33113313132313113313223313331323132313233313331311233132313331323133313221122
>>