B331133131323131133132233133313231323331323331311331313231333132322331323123311   >>    B33113313132313113313223313331323132333132333131133131323133313232233132312331   <<    B331133131323131133132233133313231323331323331311331313231333132322331323123313   >>      B331133131323131133132233133313231323331323331311331313231333132322331323123312   >>