B33113313132313113313223313331323133313231333132333132323132322121
>>
B3311331313231311331322331333132313331323133313233313232313232212
<<
B33113313132313113313223313331323133313231333132333132323132322123
>>
B33113313132313113313223313331323133313231333132333132323132322122
>>