B3311331313231311331322331333131133133313233213231333133313113313231323222221
>>
B331133131323131133132233133313113313331323321323133313331311331323132322222
<<
B3311331313231311331322331333131133133313233213231333133313113313231323222223
>>
B3311331313231311331322331333131133133313233213231333133313113313231323222222
>>