B3311331313231311331322331333131133131323131133133313231323132313232123221
>>
B331133131323131133132233133313113313132313113313331323132313231323212322
<<
B3311331313231311331322331333131133131323131133133313231323132313232123223
>>
B3311331313231311331322331333131133131323131133133313231323132313232123222
>>