B3311331313231311331322331333132313233313231333131113331323331323133112112331
>>
B331133131323131133132233133313231323331323133313111333132333132313311211233
<<
B3311331313231311331322331333132313233313231333131113331323331323133112112333
>>
B3311331313231311331322331333132313233313231333131113331323331323133112112332
>>