B3313221211233132322331321123233313231333132233133313331333131121211111111211
>>
B331322121123313232233132112323331323133313223313331333133313112121111111121
<<
B3313221211233132322331321123233313231333132233133313331333131121211111111213
>>
B3313221211233132322331321123233313231333132233133313331333131121211111111212
>>