B3313221211233132322331321123233313231333132233133313331323132322231121
>>
B331322121123313232233132112323331323133313223313331333132313232223112
<<
B3313221211233132322331321123233313231333132233133313331323132322231123
>>
B3313221211233132322331321123233313231333132233133313331323132322231122
>>