B3311331313231311331322331333132313233313233231333133313231323131133131131221
>>
B331133131323131133132233133313231323331323323133313331323132313113313113122
<<
B3311331313231311331322331333132313233313233231333133313231323131133131131223
>>
B3311331313231311331322331333132313233313233231333133313231323131133131131222
>>