B33113313132313113313223313331323133313221211331333133313331333313112111
>>
B3311331313231311331322331333132313331322121133133313331333133331311211
<<
B33113313132313113313223313331323133313221211331333133313331333313112113
>>
B33113313132313113313223313331323133313221211331333133313331333313112112
>>