B3311331313231311331322331333132313233313233313132333133313231333132211
>>
B331133131323131133132233133313231323331323331313233313331323133313221
<<
B3311331313231311331322331333132313233313233313132333133313231333132213
>>
B3311331313231311331322331333132313233313233313132333133313231333132212
>>