B3311331313231311331322331333132313233313231333131333132313231313211111
>>
B331133131323131133132233133313231323331323133313133313231323131321111
<<
B3311331313231311331322331333132313233313231333131333132313231313211113
>>
B3311331313231311331322331333132313233313231333131333132313231313211112
>>