B331133131323131133132233133313232233132211233132313231323123221   >>    B33113313132313113313223313331323223313221123313231323132312322   <<    B331133131323131133132233133313232233132211233132313231323123223   >>      B331133131323131133132233133313232233132211233132313231323123222   >>