B331133131323131133132233133313231323223313132313233313232111211   >>    B33113313132313113313223313331323132322331313231323331323211121   <<    B331133131323131133132233133313231323223313132313233313232111213   >>      B331133131323131133132233133313231323223313132313233313232111212   >>