B331133131323131133132233133313231323331323331311331313232233132322123221   >>    B33113313132313113313223313331323132333132333131133131323223313232212322   <<    B331133131323131133132233133313231323331323331311331313232233132322123223   >>      B331133131323131133132233133313231323331323331311331313232233132322123222   >>