B3311331313231311331322331333132313231333133313311211111333131122322121
>>
B331133131323131133132233133313231323133313331331121111133313112232212
<<
B3311331313231311331322331333132313231333133313311211111333131122322123
>>
B3311331313231311331322331333132313231333133313311211111333131122322122
>>