B331133131323131133132233133313231333132233132313331333131311331313221311211331
>>
B33113313132313113313223313331323133313223313231333133313131133131322131121133
<<
B331133131323131133132233133313231333132233132313331333131311331313221311211333
>>
B331133131323131133132233133313231333132233132313331333131311331313221311211332
>>