B3313221211233132322331321123233313231333132233133313331333132311331313331211
>>
B331322121123313232233132112323331323133313223313331333133313231133131333121
<<
B3313221211233132322331321123233313231333132233133313331333132311331313331213
>>
B3313221211233132322331321123233313231333132233133313331333132311331313331212
>>