C132233133112121111331333133313331323221323221211113313121111123311   >>    C13223313311212111133133313331333132322132322121111331312111112331   <<    C132233133112121111331333133313331323221323221211113313121111123313   >>      C132233133112121111331333133313331323221323221211113313121111123312   >>