B331322121123313232233132112323331323133313223313331333131121133132322233321
>>
B33132212112331323223313211232333132313331322331333133313112113313232223332
<<
B331322121123313232233132112323331323133313223313331333131121133132322233323
>>
B331322121123313232233132112323331323133313223313331333131121133132322233322
>>