C111123313121111121111331333133313331323221211113313233232113121   >>    C11112331312111112111133133313331333132322121111331323323211312   <<    C111123313121111121111331333133313331323221211113313233232113123   >>      C111123313121111121111331333133313331323221211113313233232113122   >>