B331322121123313232233132112323331323133313223313331333133313231133132311121
>>
B33132212112331323223313211232333132313331322331333133313331323113313231112
<<
B331322121123313232233132112323331323133313223313331333133313231133132311123
>>
B331322121123313232233132112323331323133313223313331333133313231133132311122
>>