B3311331313231311331322331333132313331322331323133313331331123121211233131131
>>
B331133131323131133132233133313231333132233132313331333133112312121123313113
<<
B3311331313231311331322331333132313331322331323133313331331123121211233131133
>>
B3311331313231311331322331333132313331322331323133313331331123121211233131132
>>