B3311331313231311331322331333131133133313231133133313331311331322131
>>
B331133131323131133132233133313113313331323113313331333131133132213
<<
B3311331313231311331322331333131133133313231133133313331311331322133
>>
B3311331313231311331322331333131133133313231133133313331311331322132
>>