B3313221211233132322331321123233313231333132233133313331333131311212121
>>
B331322121123313232233132112323331323133313223313331333133313131121212
<<
B3313221211233132322331321123233313231333132233133313331333131311212123
>>
B3313221211233132322331321123233313231333132233133313331333131311212122
>>