B3313221211233132322331321123233313231333132233133313331323223313121131
>>
B331322121123313232233132112323331323133313223313331333132322331312113
<<
B3313221211233132322331321123233313231333132233133313331323223313121133
>>
B3313221211233132322331321123233313231333132233133313331323223313121132
>>