B3311331313231311331322331333132313331322121133133313113313231311211112111
>>
B331133131323131133132233133313231333132212113313331311331323131121111211
<<
B3311331313231311331322331333132313331322121133133313113313231311211112113
>>
B3311331313231311331322331333132313331322121133133313113313231311211112112
>>