B331133131323131133132233133313113313231123313231333133313231312323211331
>>
B33113313132313113313223313331311331323112331323133313331323131232321133
<<
B331133131323131133132233133313113313231123313231333133313231312323211333
>>
B331133131323131133132233133313113313231123313231333133313231312323211332
>>