B331133131323131133132233133313231323132333133313133313331323232212311   >>    B33113313132313113313223313331323132313233313331313331333132323221231   <<    B331133131323131133132233133313231323132333133313133313331323232212313   >>      B331133131323131133132233133313231323132333133313133313331323232212312   >>