B3311331313231311331322331333131133133313231133133313232212312331
>>
B331133131323131133132233133313113313331323113313331323221231233
<<
B3311331313231311331322331333131133133313231133133313232212312333
>>
B3311331313231311331322331333131133133313231133133313232212312332
>>