B331133131323131133132233133313231333132233132313331331122322311   >>    B33113313132313113313223313331323133313223313231333133112232231   <<    B331133131323131133132233133313231333132233132313331331122322313   >>      B331133131323131133132233133313231333132233132313331331122322312   >>