B331322121123313232233132112323331323133313223313331333133313233313132312111
>>
B33132212112331323223313211232333132313331322331333133313331323331313231211
<<
B331322121123313232233132112323331323133313223313331333133313233313132312113
>>
B331322121123313232233132112323331323133313223313331333133313233313132312112
>>