1. Department of Intelligent Systems, School of Biology-Oriented Science and Technology, Kinki University, Wakayama 649-6493, Japan, Department of Physics, Graduate School of Science, Kyoto University and Spatio-temporal Order Project, ICORP JST, Kyoto 606-8502, Japan, and Department of Food and Nutrition, Nagoya Bunri University, Aichi 451-0077, Japan