B3311331313231311331322331333131133133313233213231333133313113313113313131121
>>
B331133131323131133132233133313113313331323321323133313331311331311331313112
<<
B3311331313231311331322331333131133133313233213231333133313113313113313131123
>>
B3311331313231311331322331333131133133313233213231333133313113313113313131122
>>