C132233133112121111331333133313331312121111133313331211113313231123311   >>    C13223313311212111133133313331333131212111113331333121111331323112331   <<    C132233133112121111331333133313331312121111133313331211113313231123313   >>      C132233133112121111331333133313331312121111133313331211113313231123312   >>