B331133131323131133132233133313113313231123313231333133313113313121111
>>
B33113313132313113313223313331311331323112331323133313331311331312111
<<
B331133131323131133132233133313113313231123313231333133313113313121113
>>
B331133131323131133132233133313113313231123313231333133313113313121112
>>