B331133131323131133132233133313231333132233132313331333132313233321331   >>    B33113313132313113313223313331323133313223313231333133313231323332133   <<    B331133131323131133132233133313231333132233132313331333132313233321333   >>      B331133131323131133132233133313231333132233132313331333132313233321332   >>