B331133131323131133132233133313231333132233132313331333132322232212122321   >>    B33113313132313113313223313331323133313223313231333133313232223221212232   <<    B331133131323131133132233133313231333132233132313331333132322232212122323   >>      B331133131323131133132233133313231333132233132313331333132322232212122322   >>