B3311331313231311331322331333132313231323231333133313231323211211
>>
B331133131323131133132233133313231323132323133313331323132321121
<<
B3311331313231311331322331333132313231323231333133313231323211213
>>
B3311331313231311331322331333132313231323231333133313231323211212
>>