B3311331313231311331322331333131133133313231133133313231311331323111
>>
B331133131323131133132233133313113313331323113313331323131133132311
<<
B3311331313231311331322331333131133133313231133133313231311331323113
>>
B3311331313231311331322331333131133133313231133133313231311331323112
>>