B331133131323131133132233133313231333132233132313331333133112211331333112122331   >>    B33113313132313113313223313331323133313223313231333133313311221133133311212233   <<    B331133131323131133132233133313231333132233132313331333133112211331333112122333   >>      B331133131323131133132233133313231333132233132313331333133112211331333112122332   >>