B3313221211233132322331321123233313231333132233133313331333132333132322233111
>>
B331322121123313232233132112323331323133313223313331333133313233313232223311
<<
B3313221211233132322331321123233313231333132233133313331333132333132322233113
>>
B3313221211233132322331321123233313231333132233133313331333132333132322233112
>>