B33113313132313113313223313331323331333132313321133133313331311331322121311
>>
B3311331313231311331322331333132333133313231332113313331333131133132212131
<<
B33113313132313113313223313331323331333132313321133133313331311331322121313
>>
B33113313132313113313223313331323331333132313321133133313331311331322121312
>>