B331133131323131133132233133313231323132313231313331323223313232213231232311   >>    B33113313132313113313223313331323132313231323131333132322331323221323123231   <<    B331133131323131133132233133313231323132313231313331323223313232213231232313   >>      B331133131323131133132233133313231323132313231313331323223313232213231232312   >>