B33113313132313113313223313331323331333132211331323132313331323121121
>>
B3311331313231311331322331333132333133313221133132313231333132312112
<<
B33113313132313113313223313331323331333132211331323132313331323121123
>>
B33113313132313113313223313331323331333132211331323132313331323121122
>>