B3311331313231311331322331333132313331322331323133313331321123232332221
>>
B331133131323131133132233133313231333132233132313331333132112323233222
<<
B3311331313231311331322331333132313331322331323133313331321123232332223
>>
B3311331313231311331322331333132313331322331323133313331321123232332222
>>