B331133131323131133132233133313231333132233132313331333121222231   >>    B33113313132313113313223313331323133313223313231333133312122223   <<    B331133131323131133132233133313231333132233132313331333121222233   >>      B331133131323131133132233133313231333132233132313331333121222232   >>