B3313221211233132322331321123233313231333132233133313331333132322331333121211
>>
B331322121123313232233132112323331323133313223313331333133313232233133312121
<<
B3313221211233132322331321123233313231333132233133313331333132322331333121213
>>
B3313221211233132322331321123233313231333132233133313331333132322331333121212
>>