B3311331313231311331322331333132313233313231333131333132313231311211331322121
>>
B331133131323131133132233133313231323331323133313133313231323131121133132212
<<
B3311331313231311331322331333132313233313231333131333132313231311211331322123
>>
B3311331313231311331322331333132313233313231333131333132313231311211331322122
>>