B3311331313231311331322331333131133133313231133133313231322123231111
>>
B331133131323131133132233133313113313331323113313331323132212323111
<<
B3311331313231311331322331333131133133313231133133313231322123231113
>>
B3311331313231311331322331333131133133313231133133313231322123231112
>>