B3311331313231311331322331333132313233313231333131333133313231311331313121121
>>
B331133131323131133132233133313231323331323133313133313331323131133131312112
<<
B3311331313231311331322331333132313233313231333131333133313231311331313121123
>>
B3311331313231311331322331333132313233313231333131333133313231311331313121122
>>