B33113313132313113313223313331323133313223313231333132313311211331323132213221   >>    B3311331313231311331322331333132313331322331323133313231331121133132313221322   <<    B33113313132313113313223313331323133313223313231333132313311211331323132213223   >>      B33113313132313113313223313331323133313223313231333132313311211331323132213222   >>