B3311331313231311331322331333132313331323133313233313331333133313121123331
>>
B331133131323131133132233133313231333132313331323331333133313331312112333
<<
B3311331313231311331322331333132313331323133313233313331333133313121123333
>>
B3311331313231311331322331333132313331323133313233313331333133313121123332
>>