B33113313132313113313223313331323133313223311211331313331323223313231323221121
>>
B3311331313231311331322331333132313331322331121133131333132322331323132322112
<<
B33113313132313113313223313331323133313223311211331313331323223313231323221123
>>
B33113313132313113313223313331323133313223311211331313331323223313231323221122
>>