B3311331313231311331322331333132313331322331323133313331323131113232111111
>>
B331133131323131133132233133313231333132233132313331333132313111323211111
<<
B3311331313231311331322331333132313331322331323133313331323131113232111113
>>
B3311331313231311331322331333132313331322331323133313331323131113232111112
>>