B331133131323131133132233133313231323231323133313331323132313221221   >>    B33113313132313113313223313331323132323132313331333132313231322122   <<    B331133131323131133132233133313231323231323133313331323132313221223   >>      B331133131323131133132233133313231323231323133313331323132313221222   >>