B3313221211233132322331321123233313231333132233133313331333131133133311211121
>>
B331322121123313232233132112323331323133313223313331333133313113313331121112
<<
B3313221211233132322331321123233313231333132233133313331333131133133311211123
>>
B3313221211233132322331321123233313231333132233133313331333131133133311211122
>>