B3311331313231311331322331333132313331322331323133313331333133311222212321
>>
B331133131323131133132233133313231333132233132313331333133313331122221232
<<
B3311331313231311331322331333132313331322331323133313331333133311222212323
>>
B3311331313231311331322331333132313331322331323133313331333133311222212322
>>