B3311331313231311331322331333132313233313231333131133132313113313113213112331
>>
B331133131323131133132233133313231323331323133313113313231311331311321311233
<<
B3311331313231311331322331333132313233313231333131133132313113313113213112333
>>
B3311331313231311331322331333132313233313231333131133132313113313113213112332
>>