B331133131323131133132233133313231333132233132313331333133313331333123311211   >>    B33113313132313113313223313331323133313223313231333133313331333133312331121   <<    B331133131323131133132233133313231333132233132313331333133313331333123311213   >>      B331133131323131133132233133313231333132233132313331333133313331333123311212   >>