B3311331313231311331322331333132313231333133313311211113313133313231131131
>>
B331133131323131133132233133313231323133313331331121111331313331323113113
<<
B3311331313231311331322331333132313231333133313311211113313133313231131133
>>
B3311331313231311331322331333132313231333133313311211113313133313231131132
>>