B3313221211233132322331321123233313231333132233133313331333132333132312323221
>>
B331322121123313232233132112323331323133313223313331333133313233313231232322
<<
B3313221211233132322331321123233313231333132233133313331333132333132312323223
>>
B3313221211233132322331321123233313231333132233133313331333132333132312323222
>>