B331133131323131133132233133313113313231123313231333133313231131211131
>>
B33113313132313113313223313331311331323112331323133313331323113121113
<<
B331133131323131133132233133313113313231123313231333133313231131211133
>>
B331133131323131133132233133313113313231123313231333133313231131211132
>>