B33113313132313113313223313331323223313221123313231323223313331323131233131
>>
B3311331313231311331322331333132322331322112331323132322331333132313123313
<<
B33113313132313113313223313331323223313221123313231323223313331323131233133
>>
B33113313132313113313223313331323223313221123313231323223313331323131233132
>>