B331133131323131133132233133313113313231123313231333133313231312322221
>>
B33113313132313113313223313331311331323112331323133313331323131232222
<<
B331133131323131133132233133313113313231123313231333133313231312322223
>>
B331133131323131133132233133313113313231123313231333133313231312322222
>>