B331133131323131133132233133313231333132233132313331323132213232223221   >>    B33113313132313113313223313331323133313223313231333132313221323222322   <<    B331133131323131133132233133313231333132233132313331323132213232223223   >>      B331133131323131133132233133313231333132233132313331323132213232223222   >>