B33113313132313113313223313331323223313221123313231323132313231323132231111
>>
B3311331313231311331322331333132322331322112331323132313231323132313223111
<<
B33113313132313113313223313331323223313221123313231323132313231323132231113
>>
B33113313132313113313223313331323223313221123313231323132313231323132231112
>>