B3311331313231311331322331333132313113313131333132313231333132313232332311111
>>
B331133131323131133132233133313231311331313133313231323133313231323233231111
<<
B3311331313231311331322331333132313113313131333132313231333132313232332311113
>>
B3311331313231311331322331333132313113313131333132313231333132313232332311112
>>