B3311331313231311331322331333132313331323133211331333133313231131211131
>>
B331133131323131133132233133313231333132313321133133313331323113121113
<<
B3311331313231311331322331333132313331323133211331333133313231131211133
>>
B3311331313231311331322331333132313331323133211331333133313231131211132
>>