B3311331313231311331322331333132313233313231333131333133112323132211
>>
B331133131323131133132233133313231323331323133313133313311232313221
<<
B3311331313231311331322331333132313233313231333131333133112323132213
>>
B3311331313231311331322331333132313233313231333131333133112323132212
>>