B3313221211233132322331321123233313231333132233133313331333131122112323223311
>>
B331322121123313232233132112323331323133313223313331333133313112211232322331
<<
B3313221211233132322331321123233313231333132233133313331333131122112323223313
>>
B3313221211233132322331321123233313231333132233133313331333131122112323223312
>>