B3311331313231311331322331333132313231323132313133313231323133112111112131
>>
B331133131323131133132233133313231323132313231313331323132313311211111213
<<
B3311331313231311331322331333132313231323132313133313231323133112111112133
>>
B3311331313231311331322331333132313231323132313133313231323133112111112132
>>