B3313221211233132322331321123233313231333132233133313331333131211111333121
>>
B331322121123313232233132112323331323133313223313331333133313121111133312
<<
B3313221211233132322331321123233313231333132233133313331333131211111333123
>>
B3313221211233132322331321123233313231333132233133313331333131211111333122
>>