B331133131323131133132233133313231333132233132313331333133313331333232222221   >>    B33113313132313113313223313331323133313223313231333133313331333133323222222   <<    B331133131323131133132233133313231333132233132313331333133313331333232222223   >>      B331133131323131133132233133313231333132233132313331333133313331333232222222   >>