B3311331313231311331322331333132313331322331323133313331323323133313121322321
>>
B331133131323131133132233133313231333132233132313331333132332313331312132232
<<
B3311331313231311331322331333132313331322331323133313331323323133313121322323
>>
B3311331313231311331322331333132313331322331323133313331323323133313121322322
>>